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S31266 Stainless Steel vs. CC382H Copper-nickel

S31266 stainless steel belongs to the iron alloys classification, while CC382H copper-nickel belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is CC382H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
140
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
53
Tensile Strength: Ultimate (UTS), MPa 860
490
Tensile Strength: Yield (Proof), MPa 470
290

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1470
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
5.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
41
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 6.5
5.2
Embodied Energy, MJ/kg 89
76
Embodied Water, L/kg 220
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
85
Resilience: Unit (Modulus of Resilience), kJ/m3 540
290
Stiffness to Weight: Axial, points 14
8.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 3.1
8.2
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0
0 to 0.0020
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
1.5 to 2.0
Copper (Cu), % 1.0 to 2.5
62.8 to 68.4
Iron (Fe), % 34.1 to 46
0.5 to 1.0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 2.0 to 4.0
0.5 to 1.0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
29 to 32
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Tellurium (Te), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.15